{
  "manageEntity": {
    "action": "Update",
    "entityId": "925162353",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeb135d1014fbb4652901ac0824b27a929c2000c0f3800f7eeb5f5cbafb453d4f",
    "signature": "0x268c9e667386ee0fa94c9ddc356028996df5c13358a393b3524aa172db0e4c294b77a67384b098d51ef67ce9d7e6132e8c8c7e148bd059c1c43a5d1d97ba4c311c",
    "signer": "0xb9924015d4c9BDf3da9e25316CeaDfadf95c5A53",
    "userId": "925162353"
  }
}